Danes were considered some of the best troops during the period. I believe they were one of the first to drop the pike as well. They also doled out troops as mercenaries to other armies. They were considered to be and used as shock troops by those armies. They were not afraid to get in and mix it up.

Sweden in the Scanian War 1675-79
James II supporters in Ireland
France and allies in the Low Countries 9YW
Sweden in GNW 1700
France and allies in Italy in WSS
France and allies in Germany and Low countries in WSS
Sweden in GNW 1709 till end